SPY vs SYM: Correlation
SPDR S&P 500 ETF Trust (SPY) and Symbotic Inc. (SYM) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and SYM?
Across a 3-year window, the weekly returns of SPY and SYM correlate at 0.41, moderate. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. Stretching to 5 years gives 0.19, with an annualized covariance of 519.3 %².
By 3-year correlation, SYM places #1087 of the 4755 assets tracked against SPY. Correlation aside, the last 12 months split them widely, with SPY ahead by 34.4 points (+20.6% versus -13.8%). One caveat on sizing: SYM is 6.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
SPY vs SYM: side by side
| SPY (SPDR S&P 500 ETF Trust) | SYM (Symbotic Inc.) | |
|---|---|---|
| 1-year return | +20.6% | -13.8% |
| 5-year return | +82.4% | +324.6% |
| Volatility (ann.) | 14.5% | 86.6% |
| Beta vs S&P 500 | 1.00 | 2.49 |
| Max drawdown (3Y) | -18.8% | -69.9% |
| Market cap | – | $24.9B |
| P/E (trailing) | – | 1028.5 |
| Dividend yield | 1.01% | 0.00% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | US Listed |
SPY, State Street Investment Management's Large Blend fund, carries $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | SYM |
|---|---|---|
| 2022 | -18.2% | +19.4% |
| 2023 | +26.2% | +329.9% |
| 2024 | +24.9% | -53.8% |
| 2025 | +17.7% | +150.9% |
| 2026 | +13.7% | -30.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and SYM good diversifiers for each other?
Reasonably. At 0.41, SPY and SYM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between SPY and SYM?
As of 2026-08-27, the correlation of weekly returns between SPY and SYM is 0.41 over 3 years, 0.36 over 1 year and 0.19 over 5 years.
Is SYM a good diversifier for SPY?
Reasonably. At 0.41, SPY and SYM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/spy-vs-sym.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/spy-vs-sym/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SPY correlations · SYM correlations
